| /* |
| * Copyright (c) 2020, Erwin Rol <erwin@erwinrol.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| #include <st/f4/stm32f407Xe.dtsi> |
| |
| / { |
| model = "SEGGER STM32F407 Trace Reference Board"; |
| compatible = "segger,trb-stm32f407"; |
| |
| chosen { |
| zephyr,sram = &sram0; |
| zephyr,flash = &flash0; |
| zephyr,ccm = &ccm0; |
| }; |
| |
| aliases { |
| led0 = &led_0_green; |
| led1 = &led_1_green; |
| led2 = &led_2_green; |
| watchdog0 = &iwdg; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| led_0_green: led_0_green { |
| gpios = <&gpioa 8 GPIO_ACTIVE_HIGH>; |
| label = "LED0"; |
| }; |
| led_1_green: led_1_green { |
| gpios = <&gpioa 9 GPIO_ACTIVE_HIGH>; |
| label = "LED1"; |
| }; |
| led_2_green: led_2_green { |
| gpios = <&gpioa 10 GPIO_ACTIVE_HIGH>; |
| label = "LED2"; |
| }; |
| }; |
| }; |
| |
| &clk_lsi { |
| status = "okay"; |
| }; |
| |
| &clk_hse { |
| clock-frequency = <DT_FREQ_M(12)>; |
| status = "okay"; |
| }; |
| |
| &pll { |
| div-m = <6>; |
| mul-n = <168>; |
| div-p = <2>; |
| div-q = <7>; |
| clocks = <&clk_hse>; |
| status = "okay"; |
| }; |
| |
| &rcc { |
| clocks = <&pll>; |
| clock-frequency = <DT_FREQ_M(168)>; |
| ahb-prescaler = <1>; |
| apb1-prescaler = <4>; |
| apb2-prescaler = <2>; |
| }; |
| |
| &rtc { |
| clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>, |
| <&rcc STM32_SRC_LSI RTC_SEL(2)>; |
| status = "okay"; |
| }; |
| |
| &rng { |
| status = "okay"; |
| }; |
| |
| &iwdg { |
| status = "okay"; |
| }; |